Average Reliability

2019 GMC Sierra 1500 Pre-Purchase Inspection Checklist

5th Generation (T1XX) · 2.7L Turbo I4 310hp / 4.3L EcoTec3 V6 285hp / 5.3L EcoTec3 V8 355hp / 6.2L EcoTec3 V8 420hp / 3.0L Duramax I6 Diesel 277hp · $28,000 - $46,000

Known Issues — 2019 GMC Sierra 1500

CRITICAL

2.7L Turbo I4 timing chain rattle on cold start

CRITICAL

AFM/DFM lifter failure on 5.3L and 6.2L V8

MODERATE

8-speed transmission rough or hard shifts

MODERATE

10-speed transmission hunting between gears

MODERATE

Carbon buildup on 2.7T direct injection engine

MINOR

MultiPro tailgate electronic latch issues

What to Inspect

  • On 2.7T — listen for timing chain rattle on cold start
  • On 5.3/6.2 V8 — check for AFM/DFM lifter tick
  • Test 8-speed and 10-speed transmission shift quality
  • Test MultiPro tailgate all six positions
  • Check for oil consumption on V8 engines
  • Test 4WD engagement through all modes

Expected Maintenance Costs

Service Interval Cost
Oil change (synthetic) every 7,500 miles $80-$120
Transmission fluid service every 45,000 miles $200-$350
Spark plugs (V8) every 60,000 miles $200-$350
Rear differential fluid every 45,000 miles $100-$150
Transfer case fluid every 45,000 miles $80-$130
Intake valve cleaning (2.7T DI) every 60,000 miles $250-$400

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